4354646989 has 16 divisors (see below), whose sum is σ = 5616385920. Its totient is φ = 3276221760.

The previous prime is 4354646983. The next prime is 4354647001. The reversal of 4354646989 is 9896464534.

It is not a de Polignac number, because 4354646989 - 2³ = 4354646981 is a prime.

It is a super-2 number, since 2×4354646989² = 37925900797613532242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4354646981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972834 + ... + 977299.

It is an arithmetic number, because the mean of its divisors is an integer number (351024120).

Almost surely, 2^4354646989 is an apocalyptic number.

It is an amenable number.

4354646989 is a deficient number, since it is larger than the sum of its proper divisors (1261738931).

4354646989 is a wasteful number, since it uses less digits than its factorization.

4354646989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950180.

The product of its digits is 22394880, while the sum is 58.

The square root of 4354646989 is about 65989.7491206021. The cubic root of 4354646989 is about 1632.9929815286.

The spelling of 4354646989 in words is "four billion, three hundred fifty-four million, six hundred forty-six thousand, nine hundred eighty-nine".